International Pillow Fight Day

Updated 3:28 PM ET, Sat April 5, 2014

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International Pillow Fight Day – A cloud of feathers hangs over those participating in International Pillow Fight Day in Paris on Saturday, April 5. The event takes place in dozens of cities around the world.

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Photos: International Pillow Fight Day12 photos

International Pillow Fight Day – Revelers take part in a giant pillow fight on the north terrace of London's Trafalgar Square.

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Photos: International Pillow Fight Day12 photos

International Pillow Fight Day – Pajama-clad attendees join the fray in Ljubljana, Slovenia.

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Photos: International Pillow Fight Day12 photos

International Pillow Fight Day – A woman smiles as feathers fly amid the fight at Trafalgar Square in London.

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International Pillow Fight Day – A camouflage-clad man prepares to land a blow as the fight takes place in Paris.

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International Pillow Fight Day – People rest on the ground with their weapons on a bed of feathers during the fight at the Westpark in Berlin.

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Photos: International Pillow Fight Day12 photos

International Pillow Fight Day – A crowd of pillow warriors fills the north terrace of Trafalgar Square.

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Photos: International Pillow Fight Day12 photos

International Pillow Fight Day – Swiss revelers take part in Lausanne, Switzerland.

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Photos: International Pillow Fight Day12 photos

International Pillow Fight Day – Pillow-packing participants join the fight in Budapest, Hungary.